cvsignore *.libs in build dirs
diff --git a/ripngd/.cvsignore b/ripngd/.cvsignore
index 306463b..a405af8 100644
--- a/ripngd/.cvsignore
+++ b/ripngd/.cvsignore
@@ -9,3 +9,4 @@
 .nfs*
 *.lo
 *.la
+*.libs